Adcom Thunder A440 - unlocking phone.
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How to unlock your phone?
1. Unlock your phone, locked by the operator.
2. Unlock your phone, depending on the manufacturer.
3. Conduct unlock SIM card.
4. Restore the phone capacity, which has been locked memory.
How to unlock the phone, locked the operator?
This type of lock used mobile operators with the aim to make it impossible to use the phone (usually branded) in another operator's network. If you insert another SIM card (any other operator), then when you turn the phone will prompt you for your password or unlock code. The question then becomes "how to unlock the phone code?". The best option, of course, if you have enough loyal to the operator, who kindly provide you with the code during a support call. To do this, you will only need to call the IMEI of your phone (a number that is unique for each device, usually you can find it under the phone's battery). But this ideal that is rarely possible. If the operator said you refused, then do not despair, because the full craftsmen that unlock your phone using firmware. Detailed manuals can often be found on the network, so that a sufficient level of knowledge, you can do this procedure yourself. But if you are not confident in their abilities and knowledge, it is better to entrust this work professional. Often used to unlock jailbreak program that is supported by a well-known company like Apple.
Unlock your phone, depending on the manufacturer.
Many modern phones support phone protection function using a special password, which the user sets their own. But there is always the risk of forgetting to set your same code that will make it impossible to continue operation of the mobile device. In this case, you unlock your phone you can use the reset firmware. In other words - this is to reset all phone settings to factory defaults. Of course, you then have to re-produce all the settings previously established, but there is no alternative. This type of phone unlock is different for different manufacturers.
Unlocking phone SIM card
A small plastic card with a chip in the middle - it's indispensable device without which the mobile phone is simply useless as such. It is, of course, on the SIM card. The chip, which it applies, although the small size, but allows you to keep a certain amount of information, which is often confidential. For the safety of the data is also used to protect the technology with the help of the so-called PIN-code that is requested to be turned off. If you unsuccessfully enter the PIN three times, the mobile device will prompt you for a different code, the so-called PUK-code is. It usually consists of eight digits and is provided to you together with the SIM card. If you can not use the phone because of the ignorance of the PIN-code, just use the PUK-code. But if you do not know him, and he was nowhere to be recorded (and documents on the SIM card is lost, for example), then the first thing to do - is to call the customer service number of your mobile operator. There you will learn how to prompt a PUK-code is (perhaps even be able to find him on the phone). If there is no opportunity to call, contact the nearest customer service center, taking the SIM card and phone, in which it was used.
Unlock your phone memory
Some phone models allow separate deny access to various files that are in memory (either phone or often optional memory card). In this case, again, the situation when you do not know (or remember) set the password and device functionality will be partially available for you. It is very frustrating when you need the information seems to be at hand, but at the same time is not available to you. To solve this problem have puzzled unlocking the memory card. There is the option of formatting, which allows you to quickly solve the problem of lack of knowledge of the code. But it does not solve the question of recovery, since all of it will be destroyed as a result of formatting. Therefore, this option is not for everyone. All other ways to unlock your phone, based on the use of additional software. To do this you will need a cable that was supplied with the phone (or you purchased the optional) to connect it to a computer or memory card reader (a small device that allows to read information from the memory card by connecting it to a computer separate from the phone). One of the programs which can be used to produce unlocking - JetFlash Recovery Tool. You can download it from the official site of developers. It can also be used for formatting the memory card.
The main thing that you are aware of all your actions and perfectly understood what you are doing. Otherwise, you can simply break your phone, which is not always possible to recover. So if you do not you know how to unlock the phone, perform any other action with it, it is best to seek professional help. But I still hope that you will not be faced with similar problems and will intelligently handle your telephone.